VESSEL FABRICATION | MIG & Flux Core
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- Опубликовано: 5 фев 2020
- DNA Industrial shows us some fabrication work they did on a pressure vessel. We really wanted to shoot more of their work but time was not on our side! Would you guys like to see more of this? let us know! There is always next time!
#vesselfabrication #vesselwelding #instawelder #weldernation #weldtube #southcoastweldingacademy 
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Wish there was a video like this waaaay back when I went into my first shop, I went in there blind folded💀 so y’all are definitely helping a lot of people out 💯
Pretty sick and clean. The OG’s take pride in their work.
Glad yall had an opportunity to shoot this video. I hope to see more videos like this even though I am a pipe/vessel welder myself
After 2 years of running a MIG welder in a structural steel workshop finally job my first coded pipe TIG welding job in a vessel/pipe workshop just last week. 🙌
Some nice welding, I've been fabricating and welding pressure vessels mild steel and stainless for 40 years since I was 16, you can't beat manipulation when you can do it and ye welding with both hands is a must, only thing I don't do is flush the circumferential weld on dished ends before I cap them , I just try leave my run before the cap a little low so I still have the edges of the chamfer to follow, used to be all stick but now all flux cored, still learning at 56 years old and always making jigs, a much underated job is pressure vessel work, keep up the good work I'm going to subscribe 👍
I really liked this video, I always wondered how it was done.It taught me a lot.Great Job.Very Nice Welds.Keep up the great videos.Thanks!!!!
Damn, I'm real impressed. Good job you all.
Great video. Keep them coming👍🏼
Your correct dude that cap is slick for real!! Looked great to me.
What a beaut.. amazing skills/ ingenuity, practical experience..bmw, watching from Aotearoa (NZ)...'kinda-know-da-feeling' buzz..nice presente..well done 👍🦾✌️🤙👍
Some cool stuff keep up the great work God bless
Learned a lot watching this.Never realized that flux core was used on such large scale work as that.Thanks for showing this.
So glad I'm in light fabrication.
You guys are awesome, 👏🏻
Slick welds young man !
I work as a fitter/welder for a company that mainly does pressure vessels and what I will say is that it is much easier and more common to put the root on nozzles and couplings from outside the vessel since we have to back-gouge everything anyway. Saves a lot of time and cuts down on the time you have to spent contorting your body inside.
Also for fill/capping heads and larger pipes you'd save yourself time and money in the long run if you get yourself a sub-arc setup. ;)
Agreed....
I wanted to comment about him suggesting to always lay beads from the process side first, but didn't want to rock his boat...
My company has been fabricating pressure vessels since the early 70s...
Love the trade....
Grandpa passed the company down to father, and when father is ready, I shall be the next one blessed, or cursed, depending how you look at things.....
Anyhow, keep on keeping on.....
Stay Blessed.....
Where I work we build large vessels and shells are 3/8 to 1/2 inch thick and we don’t have any issues welding anything on it with warping. We even do smaller vessels that are 3/16 steel and no issues with warping. We use T1 dual shield.
👍👍👍
I used to work contract at a heat exchanger company next to 610 and I-10 East....we actually tig welded the inside first, then fluxcored the rest...after filling up, we had to grind it smooth to match the ID of the vessel...the first shift crew always left us the grinding part and the removal of the brace, it was all good though, we took our time doing it too 😁
City of industry? Where you working now
It was at a company called SHECo (Southern Heat Exchanger Company). Currently im seeking work right now within the plants here in Deer Park, La Porte and Baytown. If i find a good shop that pays good I'll take it lol
@Robert R
Yea I know, but i know for sure there are shops out there that do end up paying near the 30/hr range.
Should talk about the bracing on vessels and how those nozzles are fit in with tabs not penetrated tacks so they’re easy to cut out, sweet video though and that 3 bead cap is slick
I. Excellent job posting this video
Very
Informative
.
😅
Man I miss working on vessels and heat exchangers. Y'all hiring lmao.
WeldTube y’all need to make a trip to kernersville ,NC at US INDUSTRIAL PIPING INC and do a little recording at that fab shop. Great guys, awesome welders.
Preheat is also good practice when distortion is a concern
When heated more evenly the shrink stresses will be less
good job opening a piping shop!
Good stuff ab
Very good,.
Real nice. Did you ndt/ pressure test it?
When you run that fixed position we you could take one of those wheels out and best way to clean millscale check out Walter abrasives mil scale when same things I do but all stainless and high nickel alloys
Pretty darn cool 😁 was he using dual Shield or straight FC ?
good job
YOO i apreciate all the tips man much love for y’all
For this do you have to be a single hand welder? Thanks you guys are beast
👍👍👍👍
Wow.
Nice video. I'm in the pressure vessel industry. Interesting how it is done in Texas. Not a good safety policy to use pallets under your rolls for that amount of weight. Better to use solid wood blocks.
Bruh! Thats badtothebone! Im interested
stunning welds, I'd bring you work if near
Shops don’t typically use a turn table to roll vessels. They usually use a power roll with one idler and align the rolls. This could be dangerous if your idlers underneath aren’t aligned with the vessel it could actually roll them out.
Still nice welds.
NYC Welding
Why is the flux core wire feeding from the top of the spool . In Australia we feed the wire from the bottom just saying good welds though
31 volts and just over 400 wire?
What size wire ? And co2 or 75/25?
Nice cover passes... was the shell 1 inch thick lol
God job sir,Im request sir weldingan 6gr piping,,until loose ekstrey thank you sir.never give up,greeting one smoke 👌
Midsouth steam boiler we weren’t allowed to mig weld a root, only 6010
Sup bro you need any more pipe fitters?
What NDT were the vessel welds subject to
There may be moisture on steel ie. It is wet. There is no moisture in steel. Probably just a turn of phrase. Good vid cheers 👍
What is the reason for a flux core cap after a mig root? Curious why it isn't all for with mig. Thanks guys
Most customers that procure pressure vessels that involve applications such as power generation, oil & gas, refinery, and chemical industries do not accept GMAW from root to cap.... GMAW S. Cir. Arc.is usually specifically called out as being a process that is prohibited by alot of my customers specifications. FCAW is the way to go for heavy wall fabrications. They are most likely using the GMAW for the root pass because of the fact that FCAW is not intended for open root, and they do not want to back gouge the flux cored wire from the backside....
Perfectly fine....
Deposition rate is unmatched when compared to most processes. (Not including SAW) Hope that helps.....
I start welding school next week for SMAW and I was wondering which mask would be a good beginner mask ?
Why not mig root and submerge arc welding capping
jesus is a badass bruh
Do subarc way faster and safer too
I hope. I can welding in there
But only my English bad
Why flux core the cap ?
Hi sir , i need specification and equipment used for fabrication of vessel
Which Country bro,,, palace name,,,,,
Great job sir please can you help me some pdf books on pressure vessel drawing i will be very grateful
Good job i can get job there
The cap looks like if their is underfill
Considering the title of this video it seems very strange the first weld shown was tig. What's up with that lol?
Considering you didn’t listen to what he said. It was footage from the last video.
. 035 or .045?
Why dont you weld the inside pipe at 1F position?..why 5G position?
Why not use SAW?
Less erratic movement of the camera would be an advantage. Perhaps practice would help prior to filming seriously
Зачем вы верх маски срезает, что очень мешает, вы уже не знаете, что бы с маской сделать
Use a sub arc
Pointless for the wall size that they are fabricating with.....
I don't think your cap is supposed to be inverted
No subark
I always preheated so my welds wouldnt crack.
Tava bom video. Hr que vi lixando sem proteçao na esmirilhadeira ja dei deslike e sai
Too much time using a mig welder. Guess you can’t afford a sub arc machine.